Coreco HiP Error Code
Carel RTN400 controller — HIGH voltage alarm
Source: Coreco_rtn400_instruction_sheet_9is24288-1_rel0413_en_termostatos.pdf
What does Coreco HiP mean?
On the Coreco controller (Carel RTN400), HiP is hIGH voltage alarm: voltage value read by the analog input is higher than the SPH value; display label HiP, alarm icon permanently on; regulation locked depending on SoU value.
Symptoms
- Display shows HiP
- Alarm icon permanently on
- Regulation may lock depending on the SoU setting
Common causes
- Supply/analog-input voltage outside the SPH/SPL limits
- Unstable mains supply
- Wiring or sensor issue on the analog input
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Diagnostic steps
Check the supply voltage
HiP means the measured voltage is outside the configured SPH/SPL limits. Verify the actual supply against the limits.
When to call a professional
Electrical supply diagnosis is reserved for qualified personnel.
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